/* ── CHECKOUT PAGE STYLES ── */
/* Inherits RetroVision RP6 theme variables */

:root {
  --checkout-bg: #04040A;
  --checkout-surface: rgba(10, 15, 30, 0.85);
  --checkout-border: rgba(10, 231, 255, 0.2);
  --checkout-input-bg: rgba(4, 4, 15, 0.9);
  --checkout-input-border: rgba(10, 231, 255, 0.15);
  --checkout-input-focus: rgba(10, 231, 255, 0.4);
  --checkout-success: #4cff8b;
  --checkout-error: #ff4c6a;
  --checkout-divider: rgba(255, 255, 255, 0.06);
}

/* ── RESET BASE ── */
* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  background: var(--checkout-bg);
  color: #fff;
  font-family: 'Space Grotesk', sans-serif;
  min-height: 100vh;
}

/* ── STARSCAPE SHARED ── */
#starscape {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  z-index: 0;
  pointer-events: none;
  opacity: 0.4;
}

/* ── CHECKOUT TOP BAR ── */
.checkout-topbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  background: rgba(4, 4, 10, 0.9);
  border-bottom: 1px solid rgba(10, 231, 255, 0.12);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: 16px 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  z-index: 100;
}

.topbar-brand {
  font-weight: 900;
  font-size: 1.1rem;
  text-decoration: none;
  color: #fff;
}

.topbar-brand span {
  color: var(--accent, #0ae7ff);
  text-shadow: 0 0 10px var(--accent, #0ae7ff);
}

.topbar-back {
  color: #8E92A4;
  text-decoration: none;
  font-size: 0.85rem;
  font-family: 'JetBrains Mono', monospace;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: color 0.3s;
}

.topbar-back:hover { color: var(--accent, #0ae7ff); }

.topbar-back svg { width: 16px; height: 16px; }

.topbar-steps {
  display: flex;
  gap: 8px;
  align-items: center;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem;
  color: #8E92A4;
}

.step-indicator {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: 3px;
  border: 1px solid rgba(255, 255, 255, 0.06);
  background: rgba(255, 255, 255, 0.02);
  transition: all 0.3s;
}

.step-indicator.active {
  border-color: var(--accent, #0ae7ff);
  color: var(--accent, #0ae7ff);
  background: rgba(10, 231, 255, 0.06);
}

.step-indicator.completed {
  border-color: var(--checkout-success);
  color: var(--checkout-success);
}

.step-num {
  font-weight: 700;
  width: 18px; height: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  font-size: 0.65rem;
}

.step-indicator.active .step-num {
  background: var(--accent, #0ae7ff);
  color: #000;
}

.step-indicator.completed .step-num {
  background: var(--checkout-success);
  color: #000;
}

/* ── MAIN LAYOUT ── */
.checkout-page {
  position: relative;
  z-index: 1;
  margin-top: 80px;
  padding: 48px 40px 120px;
  max-width: 1300px;
  margin-left: auto;
  margin-right: auto;
  display: grid;
  grid-template-columns: 1fr 420px;
  gap: 60px;
}

.checkout-form-area {}
.checkout-summary-area {}

/* ── SECTION CARDS ── */
.checkout-section {
  background: var(--checkout-surface);
  border: 1px solid var(--checkout-border);
  border-radius: 6px;
  padding: 36px 32px;
  margin-bottom: 32px;
  position: relative;
  overflow: hidden;
}

.checkout-section::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent, #0ae7ff), transparent);
}

.section-title-inner {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.section-icon {
  color: var(--accent, #0ae7ff);
  font-size: 1rem;
  text-shadow: 0 0 12px var(--accent, #0ae7ff);
}

.section-step {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--accent, #0ae7ff);
  min-width: 30px;
}

/* ── FORM ── */
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}

.form-row.full { grid-template-columns: 1fr; }

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  position: relative;
}

.form-group label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  color: #8E92A4;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.form-group input, .form-group select {
  background: var(--checkout-input-bg);
  border: 1px solid var(--checkout-input-border);
  color: #fff;
  padding: 14px 16px;
  border-radius: 4px;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.95rem;
  transition: all 0.3s;
  outline: none;
  width: 100%;
}

.form-group input:focus, .form-group select:focus {
  border-color: var(--checkout-input-focus);
  box-shadow: 0 0 0 3px rgba(10, 231, 255, 0.1);
}

.form-group input.error, .form-group select.error {
  border-color: var(--checkout-error);
  box-shadow: 0 0 0 3px rgba(255, 76, 106, 0.1);
}

.form-error {
  font-size: 0.7rem;
  color: var(--checkout-error);
  font-family: 'JetBrains Mono', monospace;
  display: none;
}

.form-group.has-error .form-error { display: block; }
.form-group.has-error input { border-color: var(--checkout-error); }

.form-group select {
  appearance: none;
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' fill='%238E92A4'%3E%3Cpath d='M6 8L0 0h12z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 36px;
}

.form-group select option {
  background: #0a0f1e;
  color: #fff;
}

/* ── PAYMENT METHODS ── */
.payment-methods {
  display: flex;
  gap: 12px;
  margin-bottom: 24px;
}

.payment-tab {
  flex: 1;
  text-align: center;
  padding: 14px 8px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.02);
  cursor: pointer;
  transition: all 0.3s;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  color: #8E92A4;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.payment-tab:hover {
  border-color: rgba(10, 231, 255, 0.3);
  color: #fff;
}

.payment-tab.active {
  border-color: var(--accent, #0ae7ff);
  color: var(--accent, #0ae7ff);
  background: rgba(10, 231, 255, 0.06);
  box-shadow: 0 0 16px rgba(10, 231, 255, 0.15) inset;
}

.payment-tab-icon {
  font-size: 1.4rem;
  margin-bottom: 6px;
  display: block;
}

/* Payment panels */
.payment-panel { display: none; }
.payment-panel.active { display: block; }

/* Pix */
.pix-area {
  text-align: center;
  padding: 24px 0;
}

.pix-code {
  background: var(--checkout-input-bg);
  border: 1px solid var(--checkout-input-border);
  border-radius: 4px;
  padding: 14px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem;
  color: var(--accent, #0ae7ff);
  word-break: break-all;
  margin: 16px 0;
  user-select: all;
}

.pix-copy-btn {
  background: transparent;
  border: 1px solid var(--accent, #0ae7ff);
  color: var(--accent, #0ae7ff);
  padding: 10px 28px;
  border-radius: 4px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.78rem;
  cursor: pointer;
  transition: all 0.3s;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.pix-copy-btn:hover {
  background: var(--accent, #0ae7ff);
  color: #000;
}

.pix-qr-placeholder {
  width: 200px; height: 200px;
  margin: 0 auto 16px;
  border: 2px dashed rgba(10, 231, 255, 0.2);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #8E92A4;
  font-size: 0.8rem;
  font-family: 'JetBrains Mono', monospace;
}

.pix-discount {
  color: var(--checkout-success);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.78rem;
  margin-top: 12px;
}

/* Boleto */
.boleto-area { text-align: center; padding: 24px 0; }

/* Card options */
.card-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}

.card-row.full { grid-template-columns: 1fr; }

/* Installments select */
.installments-option { margin-top: 8px; }

/* ── SUMMARY SIDEBAR ── */
.checkout-summary {
  background: var(--checkout-surface);
  border: 1px solid var(--checkout-border);
  border-radius: 6px;
  padding: 32px 28px;
  position: sticky;
  top: 100px;
  overflow: hidden;
}

.checkout-summary::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent, #0ae7ff), transparent);
}

.summary-title {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 24px;
  font-family: 'JetBrains Mono', monospace;
  text-transform: uppercase;
  letter-spacing: 2px;
  font-size: 0.85rem;
  color: #8E92A4;
}

/* Cart item in summary */
.summary-item {
  display: flex;
  gap: 16px;
  padding-bottom: 20px;
  margin-bottom: 20px;
  border-bottom: 1px solid var(--checkout-divider);
  align-items: center;
}

.summary-item-img {
  width: 64px; height: 64px;
  border-radius: 4px;
  object-fit: cover;
  border: 1px solid rgba(255, 255, 255, 0.08);
  flex-shrink: 0;
}

.summary-item-info { flex: 1; }

.summary-item-name {
  font-weight: 700;
  font-size: 0.9rem;
  margin-bottom: 2px;
}

.summary-item-variant {
  font-size: 0.75rem;
  color: #8E92A4;
}

.summary-item-qty {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  color: var(--accent, #0ae7ff);
}

.summary-item-price {
  font-family: 'JetBrains Mono', monospace;
  font-weight: 700;
  font-size: 0.95rem;
  white-space: nowrap;
}

/* Summary totals */
.summary-totals { margin-bottom: 24px; }

.summary-line {
  display: flex;
  justify-content: space-between;
  padding: 8px 0;
  font-size: 0.88rem;
  color: #8E92A4;
}

.summary-line.total {
  border-top: 1px solid var(--checkout-divider);
  margin-top: 8px;
  padding-top: 16px;
  color: #fff;
  font-weight: 700;
  font-size: 1.05rem;
}

.summary-line.total .summary-total-value {
  color: var(--accent, #0ae7ff);
  font-family: 'JetBrains Mono', monospace;
  font-size: 1.3rem;
  font-weight: 700;
  text-shadow: 0 0 16px rgba(10, 231, 255, 0.3);
}

.summary-line.discount {
  color: var(--checkout-success) !important;
}

.summary-line.shipping-free {
  color: var(--checkout-success) !important;
}

/* Submit button */
.checkout-submit {
  width: 100%;
  background: var(--accent, #0ae7ff);
  color: #000;
  border: none;
  padding: 18px;
  border-radius: 4px;
  font-family: 'JetBrains Mono', monospace;
  font-weight: 700;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  cursor: pointer;
  transition: all 0.3s;
  box-shadow: 0 0 24px rgba(10, 231, 255, 0.3);
  position: relative;
  overflow: hidden;
}

.checkout-submit:hover {
  background: #fff;
  box-shadow: 0 0 40px rgba(10, 231, 255, 0.6);
  transform: translateY(-2px);
}

.checkout-submit:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.checkout-submit .spinner {
  display: none;
  width: 18px; height: 18px;
  border: 2px solid rgba(0, 0, 0, 0.2);
  border-top-color: #000;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
  margin: 0 auto;
}

.checkout-submit.loading .btn-text { display: none; }
.checkout-submit.loading .spinner { display: block; }

@keyframes spin {
  to { transform: rotate(360deg); }
}

.summary-guarantee {
  font-size: 0.7rem;
  color: #8E92A4;
  text-align: center;
  margin-top: 16px;
  line-height: 1.6;
}

/* ── CEPS FETCH ── */
.cep-status {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.65rem;
  min-height: 16px;
}

.cep-status.loading { color: var(--accent, #0ae7ff); }
.cep-status.success { color: var(--checkout-success); }
.cep-status.error { color: var(--checkout-error); }

/* ── SUCCESS MODAL ── */
.success-overlay {
  position: fixed;
  inset: 0;
  background: rgba(4, 4, 10, 0.95);
  backdrop-filter: blur(10px);
  z-index: 9999;
  display: none;
  align-items: center;
  justify-content: center;
}

.success-overlay.show { display: flex; }

.success-modal {
  text-align: center;
  max-width: 480px;
  padding: 24px;
}

.success-icon {
  width: 80px; height: 80px;
  border-radius: 50%;
  background: rgba(76, 255, 139, 0.1);
  border: 2px solid var(--checkout-success);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
  font-size: 2rem;
  color: var(--checkout-success);
  box-shadow: 0 0 40px rgba(76, 255, 139, 0.2);
}

.success-title {
  font-size: 1.8rem;
  font-weight: 900;
  margin-bottom: 8px;
}

.success-subtitle {
  color: #8E92A4;
  line-height: 1.6;
  margin-bottom: 16px;
}

.success-order-num {
  font-family: 'JetBrains Mono', monospace;
  color: var(--accent, #0ae7ff);
  font-size: 1rem;
  margin-bottom: 32px;
  padding: 12px 0;
}

.success-btn {
  background: var(--accent, #0ae7ff);
  color: #000;
  border: none;
  padding: 14px 40px;
  border-radius: 4px;
  font-family: 'JetBrains Mono', monospace;
  font-weight: 700;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  cursor: pointer;
  transition: all 0.3s;
  text-decoration: none;
  display: inline-block;
}

.success-btn:hover {
  background: #fff;
}

/* ── EMPTY CART ── */
.checkout-empty {
  text-align: center;
  padding: 80px 24px;
  max-width: 480px;
  margin: 0 auto;
}

.empty-icon {
  font-size: 3rem;
  margin-bottom: 20px;
  opacity: 0.5;
}

.empty-title {
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.empty-subtitle {
  color: #8E92A4;
  margin-bottom: 32px;
}

.empty-btn {
  background: var(--accent, #0ae7ff);
  color: #000;
  padding: 14px 36px;
  border-radius: 4px;
  font-family: 'JetBrains Mono', monospace;
  font-weight: 700;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  text-decoration: none;
  display: inline-block;
  transition: all 0.3s;
}

.empty-btn:hover {
  background: #fff;
}

/* ── RESPONSIVE ── */
@media (max-width: 1000px) {
  .checkout-page {
    grid-template-columns: 1fr;
    padding: 32px 20px 80px;
    gap: 40px;
  }

  .checkout-summary {
    position: static;
    order: -1;
  }

  .topbar-steps { display: none; }
  .checkout-topbar { padding: 14px 20px; }
}

@media (max-width: 600px) {
  .form-row { grid-template-columns: 1fr; }
  .card-row { grid-template-columns: 1fr; }
  .payment-methods { flex-direction: column; }
  .checkout-section { padding: 24px 18px; }

  .summary-item {
    gap: 12px;
  }

  .summary-item-img {
    width: 48px; height: 48px;
  }
}